基础部分
Part1123456789101112131415161718192021222324252627282930313233343536373839404142XXVVXVVXXVXXVVVVVVCABCBBABBDBABCDACABCDABCADABCDABCDABCDABCDACABABCDABCD
Part21234567891011121314151617181920212223242526272829303132333435363738394041XXXVVVVVXVXVXVXVVDABCCBABABABCDADABCABCDBDABCBDACDABDABABCDABCDABCDACD
Part312345678910111213141516171819202122232425262728293031323334353637383940VXXXVXVXVVVVXXXVVABBACBBDABACDABCABCABABCABACABCDABCDACACDACDABCDEABCD
f43444546
ABCABCDEACABCD
fr